diff --git a/controller.go b/controller.go
index 8014b27..96b5333 100644
--- a/controller.go
+++ b/controller.go
@@ -32,7 +32,7 @@ var Controllers [8]Controller // 0th element is for Player 0, 1st for Player 1 e
 
 type Controller struct {
 	// BtnDuration is how many frames button was pressed:
-	// Index of array is equal to controller button constant.
+	// Index of array is equal to Button constant
 	BtnDuration [6]uint
 }
 
diff --git a/mouse.go b/mouse.go
index 1cd8b8f..7958195 100644
--- a/mouse.go
+++ b/mouse.go
@@ -15,7 +15,7 @@ const (
 
 var (
 	// MouseBtnDuration has how many frames in a row a mouse button was pressed:
-	// Index of array is equal to mouse button constant.
+	// Index of array is equal to MouseButton constant.
 	MouseBtnDuration [3]uint
 
 	// MousePos is the position of mouse in screen coordinates.